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Empirical Software Engineering
Erschienen in: Empirical Software Engineering 1/2010

01.02.2010

An empirical study on the maintenance of source code clones

verfasst von: Suresh Thummalapenta, Luigi Cerulo, Lerina Aversano, Massimiliano Di Penta

Erschienen in: Empirical Software Engineering | Ausgabe 1/2010

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Abstract

Code cloning has been very often indicated as a bad software development practice. However, many studies appearing in the literature indicate that this is not always the case. In fact, either changes occurring in cloned code are consistently propagated, or cloning is used as a sort of templating strategy, where cloned source code fragments evolve independently. This paper (a) proposes an automatic approach to classify the evolution of source code clone fragments, and (b) reports a fine-grained analysis of clone evolution in four different Java and C software systems, aimed at investigating to what extent clones are consistently propagated or they evolve independently. Also, the paper investigates the relationship between the presence of clone evolution patterns and other characteristics such as clone radius, clone size and the kind of change the clones underwent, i.e., corrective maintenance or enhancement.
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Fußnoten
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Metadaten
Titel
An empirical study on the maintenance of source code clones
verfasst von
Suresh Thummalapenta
Luigi Cerulo
Lerina Aversano
Massimiliano Di Penta
Publikationsdatum
01.02.2010
Verlag
Springer US
Erschienen in
Empirical Software Engineering / Ausgabe 1/2010
Print ISSN: 1382-3256
Elektronische ISSN: 1573-7616
DOI
https://doi.org/10.1007/s10664-009-9108-x